????????????????2.8???

????:????????????:??????????

?????????????????????10???3? (???????????????? ?????????)????????????,10??2????,????????2.8??,???2023????????????(???????2??????????????)?????????????4.1%,??????2019?(????????????????2???)???????????15%?

?????,10????????????2??????1823.8?????????,3????????1730???,???852????

???3?9???????????,????????12306????????????1.31?,??????????,?????????????????????????????

???????,?????????????????,?1037.01????????10086.14??????,?????????????????????????????,?200%???400??

??????,10?1??3???,?????????,?????????0???6??,???,???????(?) ?????:????